128220400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 402974208

約数和(自身を除く): 274753808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 25, 28, 35, 40, 44, 46, 50, 55, 56, 70, 77, 80, 88, 92, 100, 110, 112, 115, 140, 154, 161, 175, 176, 181, 184, 200, 220, 230, 253, 275, 280, 308, 322, 350, 362, 368, 385, 400, 440, 460, 506, 550, 560, 575, 616, 644, 700, 724, 770, 805, 880, 905, 920, 1012, 1100, 1150, 1232, 1265, 1267, 1288, 1400, 1448, 1540, 1610, 1771, 1810, 1840, 1925, 1991, 2024, 2200, 2300, 2530, 2534, 2576, 2800, 2896, 3080, 3220, 3542, 3620, 3850, 3982, 4025, 4048, 4163, 4400, 4525, 4600, 5060, 5068, 6160, 6325, 6335, 6440, 7084, 7240, 7700, 7964, 8050, 8326, 8855, 9050, 9200, 9955, 10120, 10136, 12650, 12670, 12880, 13937, 14168, 14480, 15400, 15928, 16100, 16652, 17710, 18100, 19910, 20240, 20272, 20815, 25300, 25340, 27874, 28336, 29141, 30800, 31675, 31856, 32200, 33304, 35420, 36200, 39820, 41630, 44275, 45793, 49775, 50600, 50680, 55748, 58282, 63350, 64400, 66608, 69685, 70840, 72400, 79640, 83260, 88550, 91586, 99550, 101200, 101360, 104075, 111496, 116564, 126700, 139370, 141680, 145705, 159280, 166520, 177100, 183172, 199100, 208150, 222992, 228965, 233128, 253400, 278740, 291410, 320551, 333040, 348425, 354200, 366344, 398200, 416300, 457930, 466256, 506800, 557480, 582820, 641102, 696850, 708400, 728525, 732688, 796400, 832600, 915860, 1114960, 1144825, 1165640, 1282204, 1393700, 1457050, 1602755, 1665200, 1831720, 2289650, 2331280, 2564408, 2787400, 2914100, 3205510, 3663440, 4579300, 5128816, 5574800, 5828200, 6411020, 8013775, 9158600, 11656400, 12822040, 16027550, 18317200, 25644080, 32055100, 64110200, 128220400]

約数ペア:

[(1, 128220400), (2, 64110200), (4, 32055100), (5, 25644080), (7, 18317200), (8, 16027550), (10, 12822040), (11, 11656400), (14, 9158600), (16, 8013775), (20, 6411020), (22, 5828200), (23, 5574800), (25, 5128816), (28, 4579300), (35, 3663440), (40, 3205510), (44, 2914100), (46, 2787400), (50, 2564408), (55, 2331280), (56, 2289650), (70, 1831720), (77, 1665200), (80, 1602755), (88, 1457050), (92, 1393700), (100, 1282204), (110, 1165640), (112, 1144825), (115, 1114960), (140, 915860), (154, 832600), (161, 796400), (175, 732688), (176, 728525), (181, 708400), (184, 696850), (200, 641102), (220, 582820), (230, 557480), (253, 506800), (275, 466256), (280, 457930), (308, 416300), (322, 398200), (350, 366344), (362, 354200), (368, 348425), (385, 333040), (400, 320551), (440, 291410), (460, 278740), (506, 253400), (550, 233128), (560, 228965), (575, 222992), (616, 208150), (644, 199100), (700, 183172), (724, 177100), (770, 166520), (805, 159280), (880, 145705), (905, 141680), (920, 139370), (1012, 126700), (1100, 116564), (1150, 111496), (1232, 104075), (1265, 101360), (1267, 101200), (1288, 99550), (1400, 91586), (1448, 88550), (1540, 83260), (1610, 79640), (1771, 72400), (1810, 70840), (1840, 69685), (1925, 66608), (1991, 64400), (2024, 63350), (2200, 58282), (2300, 55748), (2530, 50680), (2534, 50600), (2576, 49775), (2800, 45793), (2896, 44275), (3080, 41630), (3220, 39820), (3542, 36200), (3620, 35420), (3850, 33304), (3982, 32200), (4025, 31856), (4048, 31675), (4163, 30800), (4400, 29141), (4525, 28336), (4600, 27874), (5060, 25340), (5068, 25300), (6160, 20815), (6325, 20272), (6335, 20240), (6440, 19910), (7084, 18100), (7240, 17710), (7700, 16652), (7964, 16100), (8050, 15928), (8326, 15400), (8855, 14480), (9050, 14168), (9200, 13937), (9955, 12880), (10120, 12670), (10136, 12650)]